[thirdparty/glibc.git] / test-skeleton.c

/* Skeleton for test programs.
   Copyright (C) 1998-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <getopt.h>
#include <malloc.h>
#include <search.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/param.h>
#include <time.h>

/* The test function is normally called `do_test' and it is called
   with argc and argv as the arguments.  We nevertheless provide the
   possibility to overwrite this name.  */
#ifndef TEST_FUNCTION
# define TEST_FUNCTION do_test (argc, argv)
#endif

#ifndef TEST_DATA_LIMIT
# define TEST_DATA_LIMIT (64 << 20) /* Data limit (bytes) to run with.  */
#endif

#define OPT_DIRECT 1000
#define OPT_TESTDIR 1001

static struct option options[] =
{
#ifdef CMDLINE_OPTIONS
  CMDLINE_OPTIONS
#endif
  { "direct", no_argument, NULL, OPT_DIRECT },
  { "test-dir", required_argument, NULL, OPT_TESTDIR },
  { NULL, 0, NULL, 0 }
};

/* PID of the test itself.  */
static pid_t pid;

/* Directory to place temporary files in.  */
static const char *test_dir;

/* List of temporary files.  */
struct temp_name_list
{
  struct qelem q;
  const char *name;
} *temp_name_list;

/* Add temporary files in list.  */
static void
__attribute__ ((unused))
add_temp_file (const char *name)
{
  struct temp_name_list *newp
    = (struct temp_name_list *) calloc (sizeof (*newp), 1);
  if (newp != NULL)
    {
      newp->name = name;
      if (temp_name_list == NULL)
	temp_name_list = (struct temp_name_list *) &newp->q;
      else
	insque (newp, temp_name_list);
    }
}

/* Delete all temporary files.  */
static void
delete_temp_files (void)
{
  while (temp_name_list != NULL)
    {
      remove (temp_name_list->name);
      temp_name_list = (struct temp_name_list *) temp_name_list->q.q_forw;
    }
}

/* Create a temporary file.  */
static int
__attribute__ ((unused))
create_temp_file (const char *base, char **filename)
{
  char *fname;
  int fd;

  fname = (char *) malloc (strlen (test_dir) + 1 + strlen (base)
			   + sizeof ("XXXXXX"));
  if (fname == NULL)
    {
      puts ("out of memory");
      return -1;
    }
  strcpy (stpcpy (stpcpy (stpcpy (fname, test_dir), "/"), base), "XXXXXX");

  fd = mkstemp (fname);
  if (fd == -1)
    {
      printf ("cannot open temporary file '%s': %m\n", fname);
      free (fname);
      return -1;
    }

  add_temp_file (fname);
  if (filename != NULL)
    *filename = fname;

  return fd;
}

/* Timeout handler.  We kill the child and exit with an error.  */
static void
__attribute__ ((noreturn))
signal_handler (int sig __attribute__ ((unused)))
{
  int killed;
  int status;

  /* Send signal.  */
  kill (pid, SIGKILL);

  /* Wait for it to terminate.  */
  int i;
  for (i = 0; i < 5; ++i)
    {
      killed = waitpid (pid, &status, WNOHANG|WUNTRACED);
      if (killed != 0)
	break;

      /* Delay, give the system time to process the kill.  If the
	 nanosleep() call return prematurely, all the better.  We
	 won't restart it since this probably means the child process
	 finally died.  */
      struct timespec ts;
      ts.tv_sec = 0;
      ts.tv_nsec = 100000000;
      nanosleep (&ts, NULL);
    }
  if (killed != 0 && killed != pid)
    {
      perror ("Failed to kill test process");
      exit (1);
    }

#ifdef CLEANUP_HANDLER
  CLEANUP_HANDLER;
#endif

  if (sig == SIGINT)
    {
      signal (sig, SIG_DFL);
      raise (sig);
    }

  /* If we expected this signal: good!  */
#ifdef EXPECTED_SIGNAL
  if (EXPECTED_SIGNAL == SIGALRM)
    exit (0);
#endif

  if (killed == 0 || (WIFSIGNALED (status) && WTERMSIG (status) == SIGKILL))
    fputs ("Timed out: killed the child process\n", stderr);
  else if (WIFSTOPPED (status))
    fprintf (stderr, "Timed out: the child process was %s\n",
	     strsignal (WSTOPSIG (status)));
  else if (WIFSIGNALED (status))
    fprintf (stderr, "Timed out: the child process got signal %s\n",
	     strsignal (WTERMSIG (status)));
  else
    fprintf (stderr, "Timed out: killed the child process but it exited %d\n",
	     WEXITSTATUS (status));

  /* Exit with an error.  */
  exit (1);
}

/* We provide the entry point here.  */
int
main (int argc, char *argv[])
{
  int direct = 0;	/* Directly call the test function?  */
  int status;
  int opt;
  unsigned int timeoutfactor = 1;
  pid_t termpid;

  /* Make uses of freed and uninitialized memory known.  */
  mallopt (M_PERTURB, 42);

#ifdef STDOUT_UNBUFFERED
  setbuf (stdout, NULL);
#endif

  while ((opt = getopt_long (argc, argv, "+", options, NULL)) != -1)
    switch (opt)
      {
      case '?':
	exit (1);
      case OPT_DIRECT:
	direct = 1;
	break;
      case OPT_TESTDIR:
	test_dir = optarg;
	break;
#ifdef CMDLINE_PROCESS
	CMDLINE_PROCESS
#endif
      }

  /* If set, read the test TIMEOUTFACTOR value from the environment.
     This value is used to scale the default test timeout values. */
  char *envstr_timeoutfactor = getenv ("TIMEOUTFACTOR");
  if (envstr_timeoutfactor != NULL)
    {
      char *envstr_conv = envstr_timeoutfactor;
      unsigned long int env_fact;

      env_fact = strtoul (envstr_timeoutfactor, &envstr_conv, 0);
      if (*envstr_conv == '\0' && envstr_conv != envstr_timeoutfactor)
	timeoutfactor = MAX (env_fact, 1);
    }

  /* Set TMPDIR to specified test directory.  */
  if (test_dir != NULL)
    {
      setenv ("TMPDIR", test_dir, 1);

      if (chdir (test_dir) < 0)
	{
	  perror ("chdir");
	  exit (1);
	}
    }
  else
    {
      test_dir = getenv ("TMPDIR");
      if (test_dir == NULL || test_dir[0] == '\0')
	test_dir = "/tmp";
    }

  /* Make sure we see all message, even those on stdout.  */
  setvbuf (stdout, NULL, _IONBF, 0);

  /* make sure temporary files are deleted.  */
  atexit (delete_temp_files);

  /* Correct for the possible parameters.  */
  argv[optind - 1] = argv[0];
  argv += optind - 1;
  argc -= optind - 1;

  /* Call the initializing function, if one is available.  */
#ifdef PREPARE
  PREPARE (argc, argv);
#endif

  /* If we are not expected to fork run the function immediately.  */
  if (direct)
    return TEST_FUNCTION;

  /* Set up the test environment:
     - prevent core dumps
     - set up the timer
     - fork and execute the function.  */

  pid = fork ();
  if (pid == 0)
    {
      /* This is the child.  */
#ifdef RLIMIT_CORE
      /* Try to avoid dumping core.  */
      struct rlimit core_limit;
      core_limit.rlim_cur = 0;
      core_limit.rlim_max = 0;
      setrlimit (RLIMIT_CORE, &core_limit);
#endif

#ifdef RLIMIT_DATA
      /* Try to avoid eating all memory if a test leaks.  */
      struct rlimit data_limit;
      if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
	{
	  if (TEST_DATA_LIMIT == RLIM_INFINITY)
	    data_limit.rlim_cur = data_limit.rlim_max;
	  else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
	    data_limit.rlim_cur = MIN ((rlim_t) TEST_DATA_LIMIT,
				       data_limit.rlim_max);
	  if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
	    perror ("setrlimit: RLIMIT_DATA");
	}
      else
	perror ("getrlimit: RLIMIT_DATA");
#endif

      /* We put the test process in its own pgrp so that if it bogusly
	 generates any job control signals, they won't hit the whole build.  */
      setpgid (0, 0);

      /* Execute the test function and exit with the return value.   */
      exit (TEST_FUNCTION);
    }
  else if (pid < 0)
    {
      perror ("Cannot fork test program");
      exit (1);
    }

  /* Set timeout.  */
#ifndef TIMEOUT
  /* Default timeout is two seconds.  */
# define TIMEOUT 2
#endif
  signal (SIGALRM, signal_handler);
  alarm (TIMEOUT * timeoutfactor);

  /* Make sure we clean up if the wrapper gets interrupted.  */
  signal (SIGINT, signal_handler);

  /* Wait for the regular termination.  */
  termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
  if (termpid == -1)
    {
      printf ("Waiting for test program failed: %m\n");
      exit (1);
    }
  if (termpid != pid)
    {
      printf ("Oops, wrong test program terminated: expected %ld, got %ld\n",
	      (long int) pid, (long int) termpid);
      exit (1);
    }

#ifndef EXPECTED_SIGNAL
  /* We don't expect any signal.  */
# define EXPECTED_SIGNAL 0
#endif
  if (WTERMSIG (status) != EXPECTED_SIGNAL)
    {
      if (EXPECTED_SIGNAL != 0)
	{
	  if (WTERMSIG (status) == 0)
	    fprintf (stderr,
		     "Expected signal '%s' from child, got none\n",
		     strsignal (EXPECTED_SIGNAL));
	  else
	    fprintf (stderr,
		     "Incorrect signal from child: got `%s', need `%s'\n",
		     strsignal (WTERMSIG (status)),
		     strsignal (EXPECTED_SIGNAL));
	}
      else
	fprintf (stderr, "Didn't expect signal from child: got `%s'\n",
		 strsignal (WTERMSIG (status)));
      exit (1);
    }

  /* Simply exit with the return value of the test.  */
#ifndef EXPECTED_STATUS
  return WEXITSTATUS (status);
#else
  if (WEXITSTATUS (status) != EXPECTED_STATUS)
    {
      fprintf (stderr, "Expected status %d, got %d\n",
	       EXPECTED_STATUS, WEXITSTATUS (status));
      exit (1);
    }

  return 0;
#endif
}
Commit	Line	Data
80a18298	1	/* Skeleton for test programs.
d4697bc9	2	Copyright (C) 1998-2014 Free Software Foundation, Inc.
41bdb6e2	3	This file is part of the GNU C Library.
80a18298 UD	4	Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
80a18298 UD	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	14	Lesser General Public License for more details.
80a18298	15
41bdb6e2	16	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	17	License along with the GNU C Library; if not, see
59ba27a6 PE	18	<http://www.gnu.org/licenses/>. */
80a18298	19
e1d8e1b7	20	#include <errno.h>
80a18298	21	#include <getopt.h>
854278df	22	#include <malloc.h>
b9337b6a	23	#include <search.h>
80a18298 UD	24	#include <signal.h>
	25	#include <stdio.h>
	26	#include <stdlib.h>
4380ef5e	27	#include <string.h>
80a18298 UD	28	#include <unistd.h>
	29	#include <sys/resource.h>
	30	#include <sys/wait.h>
63b11dd1	31	#include <sys/param.h>
fa4a36fd	32	#include <time.h>
80a18298 UD	33
	34	/* The test function is normally called `do_test' and it is called
	35	with argc and argv as the arguments. We nevertheless provide the
	36	possibility to overwrite this name. */
	37	#ifndef TEST_FUNCTION
	38	# define TEST_FUNCTION do_test (argc, argv)
	39	#endif
	40
63b11dd1 RM	41	#ifndef TEST_DATA_LIMIT
	42	# define TEST_DATA_LIMIT (64 << 20) /* Data limit (bytes) to run with. */
	43	#endif
80a18298 UD	44
	45	#define OPT_DIRECT 1000
	46	#define OPT_TESTDIR 1001
	47
	48	static struct option options[] =
	49	{
	50	#ifdef CMDLINE_OPTIONS
	51	CMDLINE_OPTIONS
	52	#endif
	53	{ "direct", no_argument, NULL, OPT_DIRECT },
	54	{ "test-dir", required_argument, NULL, OPT_TESTDIR },
	55	{ NULL, 0, NULL, 0 }
	56	};
	57
	58	/* PID of the test itself. */
608c5afd	59	static pid_t pid;
80a18298 UD	60
	61	/* Directory to place temporary files in. */
	62	static const char *test_dir;
	63
b9337b6a	64	/* List of temporary files. */
51eecc4a	65	struct temp_name_list
b9337b6a UD	66	{
	67	struct qelem q;
	68	const char *name;
51eecc4a	69	} *temp_name_list;
b9337b6a UD	70
b9337b6a UD	71	/* Add temporary files in list. */
9c0592ab	72	static void
5cd6f8f7	73	__attribute__ ((unused))
b9337b6a UD	74	add_temp_file (const char *name)
b9337b6a UD	75	{
51eecc4a AJ	76	struct temp_name_list *newp
51eecc4a AJ	77	= (struct temp_name_list ) calloc (sizeof (newp), 1);
b9337b6a UD	78	if (newp != NULL)
	79	{
	80	newp->name = name;
51eecc4a AJ	81	if (temp_name_list == NULL)
51eecc4a AJ	82	temp_name_list = (struct temp_name_list *) &newp->q;
b9337b6a	83	else
51eecc4a	84	insque (newp, temp_name_list);
b9337b6a UD	85	}
	86	}
	87
	88	/* Delete all temporary files. */
9c0592ab	89	static void
b9337b6a UD	90	delete_temp_files (void)
b9337b6a UD	91	{
51eecc4a	92	while (temp_name_list != NULL)
b9337b6a	93	{
51eecc4a AJ	94	remove (temp_name_list->name);
51eecc4a AJ	95	temp_name_list = (struct temp_name_list *) temp_name_list->q.q_forw;
b9337b6a UD	96	}
	97	}
	98
10e62564 UD	99	/* Create a temporary file. */
	100	static int
	101	__attribute__ ((unused))
	102	create_temp_file (const char base, char *filename)
	103	{
	104	char *fname;
	105	int fd;
	106
	107	fname = (char *) malloc (strlen (test_dir) + 1 + strlen (base)
	108	+ sizeof ("XXXXXX"));
	109	if (fname == NULL)
	110	{
	111	puts ("out of memory");
	112	return -1;
	113	}
	114	strcpy (stpcpy (stpcpy (stpcpy (fname, test_dir), "/"), base), "XXXXXX");
	115
	116	fd = mkstemp (fname);
	117	if (fd == -1)
	118	{
	119	printf ("cannot open temporary file '%s': %m\n", fname);
	120	free (fname);
	121	return -1;
	122	}
	123
	124	add_temp_file (fname);
	125	if (filename != NULL)
	126	*filename = fname;
	127
	128	return fd;
	129	}
	130
80a18298	131	/* Timeout handler. We kill the child and exit with an error. */
9c0592ab	132	static void
8c0b7170	133	__attribute__ ((noreturn))
85fda49b	134	signal_handler (int sig __attribute__ ((unused)))
80a18298 UD	135	{
80a18298 UD	136	int killed;
b79e3737	137	int status;
80a18298 UD	138
	139	/* Send signal. */
	140	kill (pid, SIGKILL);
	141
	142	/* Wait for it to terminate. */
6d0e6e84 UD	143	int i;
	144	for (i = 0; i < 5; ++i)
	145	{
	146	killed = waitpid (pid, &status, WNOHANG\|WUNTRACED);
	147	if (killed != 0)
	148	break;
	149
	150	/* Delay, give the system time to process the kill. If the
	151	nanosleep() call return prematurely, all the better. We
	152	won't restart it since this probably means the child process
	153	finally died. */
33192609 UD	154	struct timespec ts;
	155	ts.tv_sec = 0;
	156	ts.tv_nsec = 100000000;
6d0e6e84 UD	157	nanosleep (&ts, NULL);
6d0e6e84 UD	158	}
80a18298 UD	159	if (killed != 0 && killed != pid)
80a18298 UD	160	{
520ec963	161	perror ("Failed to kill test process");
80a18298 UD	162	exit (1);
	163	}
	164
	165	#ifdef CLEANUP_HANDLER
	166	CLEANUP_HANDLER;
	167	#endif
	168
85fda49b UD	169	if (sig == SIGINT)
	170	{
	171	signal (sig, SIG_DFL);
	172	raise (sig);
	173	}
	174
4614167a UD	175	/* If we expected this signal: good! */
	176	#ifdef EXPECTED_SIGNAL
	177	if (EXPECTED_SIGNAL == SIGALRM)
	178	exit (0);
	179	#endif
	180
6d0e6e84	181	if (killed == 0 \|\| (WIFSIGNALED (status) && WTERMSIG (status) == SIGKILL))
b79e3737 RM	182	fputs ("Timed out: killed the child process\n", stderr);
	183	else if (WIFSTOPPED (status))
	184	fprintf (stderr, "Timed out: the child process was %s\n",
	185	strsignal (WSTOPSIG (status)));
	186	else if (WIFSIGNALED (status))
	187	fprintf (stderr, "Timed out: the child process got signal %s\n",
	188	strsignal (WTERMSIG (status)));
	189	else
	190	fprintf (stderr, "Timed out: killed the child process but it exited %d\n",
	191	WEXITSTATUS (status));
80a18298 UD	192
	193	/* Exit with an error. */
	194	exit (1);
	195	}
	196
	197	/* We provide the entry point here. */
	198	int
	199	main (int argc, char *argv[])
	200	{
	201	int direct = 0; /* Directly call the test function? */
	202	int status;
	203	int opt;
dc391246	204	unsigned int timeoutfactor = 1;
608c5afd	205	pid_t termpid;
80a18298	206
854278df UD	207	/* Make uses of freed and uninitialized memory known. */
	208	mallopt (M_PERTURB, 42);
	209
e7c036b3 UD	210	#ifdef STDOUT_UNBUFFERED
	211	setbuf (stdout, NULL);
	212	#endif
	213
6f1acb30	214	while ((opt = getopt_long (argc, argv, "+", options, NULL)) != -1)
80a18298 UD	215	switch (opt)
	216	{
	217	case '?':
	218	exit (1);
	219	case OPT_DIRECT:
	220	direct = 1;
	221	break;
	222	case OPT_TESTDIR:
	223	test_dir = optarg;
	224	break;
	225	#ifdef CMDLINE_PROCESS
	226	CMDLINE_PROCESS
	227	#endif
	228	}
	229
dc391246 UD	230	/* If set, read the test TIMEOUTFACTOR value from the environment.
	231	This value is used to scale the default test timeout values. */
	232	char *envstr_timeoutfactor = getenv ("TIMEOUTFACTOR");
	233	if (envstr_timeoutfactor != NULL)
	234	{
	235	char *envstr_conv = envstr_timeoutfactor;
	236	unsigned long int env_fact;
	237
	238	env_fact = strtoul (envstr_timeoutfactor, &envstr_conv, 0);
	239	if (*envstr_conv == '\0' && envstr_conv != envstr_timeoutfactor)
	240	timeoutfactor = MAX (env_fact, 1);
	241	}
	242
80a18298 UD	243	/* Set TMPDIR to specified test directory. */
	244	if (test_dir != NULL)
	245	{
	246	setenv ("TMPDIR", test_dir, 1);
	247
	248	if (chdir (test_dir) < 0)
	249	{
	250	perror ("chdir");
	251	exit (1);
	252	}
	253	}
b9337b6a UD	254	else
	255	{
	256	test_dir = getenv ("TMPDIR");
	257	if (test_dir == NULL \|\| test_dir[0] == '\0')
	258	test_dir = "/tmp";
	259	}
80a18298	260
6b9c2e67 UD	261	/* Make sure we see all message, even those on stdout. */
	262	setvbuf (stdout, NULL, _IONBF, 0);
	263
310b3460 UD	264	/* make sure temporary files are deleted. */
	265	atexit (delete_temp_files);
	266
726b7b0f	267	/* Correct for the possible parameters. */
55033a44	268	argv[optind - 1] = argv[0];
726b7b0f UD	269	argv += optind - 1;
	270	argc -= optind - 1;
	271
310b3460 UD	272	/* Call the initializing function, if one is available. */
	273	#ifdef PREPARE
	274	PREPARE (argc, argv);
	275	#endif
	276
80a18298 UD	277	/* If we are not expected to fork run the function immediately. */
	278	if (direct)
	279	return TEST_FUNCTION;
	280
	281	/* Set up the test environment:
	282	- prevent core dumps
	283	- set up the timer
	284	- fork and execute the function. */
	285
	286	pid = fork ();
	287	if (pid == 0)
	288	{
	289	/* This is the child. */
	290	#ifdef RLIMIT_CORE
	291	/* Try to avoid dumping core. */
	292	struct rlimit core_limit;
	293	core_limit.rlim_cur = 0;
	294	core_limit.rlim_max = 0;
	295	setrlimit (RLIMIT_CORE, &core_limit);
	296	#endif
	297
63b11dd1 RM	298	#ifdef RLIMIT_DATA
	299	/* Try to avoid eating all memory if a test leaks. */
	300	struct rlimit data_limit;
	301	if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
	302	{
	303	if (TEST_DATA_LIMIT == RLIM_INFINITY)
	304	data_limit.rlim_cur = data_limit.rlim_max;
	305	else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
	306	data_limit.rlim_cur = MIN ((rlim_t) TEST_DATA_LIMIT,
	307	data_limit.rlim_max);
	308	if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
	309	perror ("setrlimit: RLIMIT_DATA");
	310	}
	311	else
	312	perror ("getrlimit: RLIMIT_DATA");
	313	#endif
	314
b79e3737 RM	315	/* We put the test process in its own pgrp so that if it bogusly
	316	generates any job control signals, they won't hit the whole build. */
	317	setpgid (0, 0);
	318
80a18298 UD	319	/* Execute the test function and exit with the return value. */
	320	exit (TEST_FUNCTION);
	321	}
	322	else if (pid < 0)
	323	{
	324	perror ("Cannot fork test program");
	325	exit (1);
	326	}
	327
	328	/* Set timeout. */
	329	#ifndef TIMEOUT
	330	/* Default timeout is two seconds. */
	331	# define TIMEOUT 2
	332	#endif
85fda49b	333	signal (SIGALRM, signal_handler);
dc391246	334	alarm (TIMEOUT * timeoutfactor);
80a18298	335
85fda49b UD	336	/* Make sure we clean up if the wrapper gets interrupted. */
	337	signal (SIGINT, signal_handler);
	338
80a18298	339	/* Wait for the regular termination. */
53854476	340	termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
608c5afd	341	if (termpid == -1)
80a18298	342	{
608c5afd UD	343	printf ("Waiting for test program failed: %m\n");
	344	exit (1);
	345	}
	346	if (termpid != pid)
	347	{
	348	printf ("Oops, wrong test program terminated: expected %ld, got %ld\n",
	349	(long int) pid, (long int) termpid);
80a18298 UD	350	exit (1);
	351	}
	352
	353	#ifndef EXPECTED_SIGNAL
	354	/* We don't expect any signal. */
	355	# define EXPECTED_SIGNAL 0
	356	#endif
789b13c4	357	if (WTERMSIG (status) != EXPECTED_SIGNAL)
80a18298	358	{
b9337b6a	359	if (EXPECTED_SIGNAL != 0)
3fc65a77 UD	360	{
	361	if (WTERMSIG (status) == 0)
	362	fprintf (stderr,
	363	"Expected signal '%s' from child, got none\n",
	364	strsignal (EXPECTED_SIGNAL));
	365	else
	366	fprintf (stderr,
	367	"Incorrect signal from child: got `%s', need `%s'\n",
	368	strsignal (WTERMSIG (status)),
	369	strsignal (EXPECTED_SIGNAL));
	370	}
b9337b6a	371	else
6b9c2e67	372	fprintf (stderr, "Didn't expect signal from child: got `%s'\n",
b9337b6a	373	strsignal (WTERMSIG (status)));
80a18298 UD	374	exit (1);
	375	}
	376
	377	/* Simply exit with the return value of the test. */
ede0f73a	378	#ifndef EXPECTED_STATUS
80a18298	379	return WEXITSTATUS (status);
ede0f73a UD	380	#else
	381	if (WEXITSTATUS (status) != EXPECTED_STATUS)
	382	{
	383	fprintf (stderr, "Expected status %d, got %d\n",
	384	EXPECTED_STATUS, WEXITSTATUS (status));
	385	exit (1);
	386	}
	387
	388	return 0;
	389	#endif
80a18298	390	}